1d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin/* 2d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin * Copyright (c) 2011-2014, The Linux Foundation. All rights reserved. 3d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 4d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin * Redistribution and use in source and binary forms, with or without 5d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin * modification, are permitted provided that the following conditions are 6d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin * met: 7d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin * * Redistributions of source code must retain the above copyright 8d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin * notice, this list of conditions and the following disclaimer. 9d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin * * Redistributions in binary form must reproduce the above 10d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin * copyright notice, this list of conditions and the following 11d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin * disclaimer in the documentation and/or other materials provided 12d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin * with the distribution. 13d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin * * Neither the name of The Linux Foundation nor the names of its 14d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin * contributors may be used to endorse or promote products derived 15d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin * from this software without specific prior written permission. 16d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin * 17d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED 18d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 19d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT 20d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 21d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 24d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 25d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 26d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 27d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin */ 29d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 30d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin#ifndef GRALLOC_IONALLOC_H 31d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin#define GRALLOC_IONALLOC_H 32d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 33d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin#include <linux/msm_ion.h> 34d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin#include "memalloc.h" 35d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin#include "gr.h" 36d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 37d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjinnamespace gralloc { 38d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 39d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjinclass IonAlloc : public IMemAlloc { 40d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 41d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin public: 42d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin virtual int alloc_buffer(alloc_data& data); 43d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 44d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin virtual int free_buffer(void *base, unsigned int size, 45d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin unsigned int offset, int fd); 46d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 47d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin virtual int map_buffer(void **pBase, unsigned int size, 48d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin unsigned int offset, int fd); 49d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 50d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin virtual int unmap_buffer(void *base, unsigned int size, 51d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin unsigned int offset); 52d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 53d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin virtual int clean_buffer(void*base, unsigned int size, 54d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin unsigned int offset, int fd, int op); 55d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 56d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin IonAlloc() { mIonFd = FD_INIT; } 57d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 58d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin ~IonAlloc() { close_device(); } 59d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 60d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin private: 61d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin int mIonFd; 62d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 63d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin int open_device(); 64d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 65d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin void close_device(); 66d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 67d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin mutable Locker mLock; 68d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 69d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin}; 70d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 71d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin} 72d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 73d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin#endif /* GRALLOC_IONALLOC_H */ 74d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 75